Aluminum heads $ per HP?

Another thing I can tell you is this;
When leaving the house on a summers morning, the engine might be at 70/80*. This engine has no choke. Instead I have a dash-mounted, dial-back, timing delay- box with a range of 15*. I have it set to be able to advance up to 6* or retard up to 9*. So when the engine is cold, I just add the 6 to the 14 and drive away. I travel about a mile to the hiway, then head 'er out about 15/20 minutes to work. I set my foot to 100kph/62mph and hold it there. About 2 miles out , the car starts to gain speed. Another mile and she may be doing 70 mph; enough that I have to reduce the throttle opening.
Now, the curious part; the coolant was up to normal about the time I hit 100kph. What happened between the 2 and 3 mile mark?
IDK, but I think the heads finally warmed up, lol.

AJ, my Ranger is the same way,warming up wise. Head warms up or oil thins out from warmth?
Thanks for your reply! I forgot I had your combo saved. Need to reread it. The part about having 125K on the engine is outstanding! Have the heads been "touched" since first installed? I could picture Roland Osborne doing an article on your combo; reminds of Don Dulmage(sp?) and his 440 Charger. Bob